MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution. The heuristic 'SE_LOLBIN_RUN_COMMAND' also indicates potential execution of commands via embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9927
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160719b1124890---zetidafatusabuwivi.pdf In PDF document text
- https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/cmdso3p69lc3no7addj0qc7us4/31621979093.pdfIn PDF document text
- https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c659f251428---7084043933.pdfIn PDF document text
- https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/40lb625c83f48qsoiqijpcqfqt/ritug.pdfIn PDF document text
- https://tedvandergulik.nl/userimages/file/tunevefop.pdfIn PDF document text
- https://amenagementsoleil.com/wp-content/plugins/formcraft/file-upload/server/content/files/160801ed62bf1e---80299111654.pdfIn PDF document text
- http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094795e08f16---61324441019.pdfIn PDF document text
- http://agcslohian.com/userfiles/file/bowukunalemolesukorez.pdfIn PDF document text
- https://sygimportaciones.com/wp-content/plugins/super-forms/uploads/php/files/1cmou2usa5v1dqnh1e8rvqseq7/88739160118.pdfIn PDF document text
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081d63cc2fb3---58837484759.pdfIn PDF document text
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c94aa25c34e---10415351860.pdfIn PDF document text
- https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/e7e9ca5b895ec15b53a06c8d8faf5f8c/59936772166.pdfIn PDF document text
- https://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609ef58e22a99---86402423824.pdfIn PDF document text
- https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/133aef1f990a44b8d595ccaed88e4909/fireve.pdfIn PDF document text
- http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/957ded51aea5a7ee5c44c89b764cf089/daxagujelez.pdfIn PDF document text
- http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/2273723cacd9c994f7e94e3ac1e9e117/jaripazewusenunir.pdfIn PDF document text
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/1609b058f24ce9---tunoxer.pdfIn PDF document text
- https://fcksa.com/ckfinder/userfiles/files/39149197278.pdfIn PDF document text
- https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/1607f5ed068a4a---70491323875.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/90gvrtibebe5tmltnb86ubo622/56696607651.pdfIn PDF document text
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b97bbc71b44---42470524573.pdfIn PDF document text
- http://igorodstore.ru/files/userfiles/files/30192447828.pdfIn PDF document text
- https://dacoma.roIn macro / runtime command snippet
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=whale+follows+mouse+game+scratchPDF link annotation
- http://janyska.home.pl/_mjanyska2013/fotki/file/26027619779.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f8a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8A2 | 16784 bytes |
SHA-256: 901de694a8fb9fbfe7d34a81fea1eba50a455461f7dcd02ca6de4b72e96c1025 |
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font_01_sfnt_off00010fe8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FE8 | 10764 bytes |
SHA-256: 5a838ebf5d226807f319da6aa667be598ca021905e71d262cf6ea93952ccffb4 |
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font_02_sfnt_off000128ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128CA | 18296 bytes |
SHA-256: 16a19a6f2c4fd79b21e2f4c51bde901920bd034ca2989b941493e4e74e02e03d |
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font_03_sfnt_off00015902.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15902 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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